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Author Archives: justin
Professor Dave: Quantization of Energy
Posted in How are light and matter similar?, Unit 4, Videos
Tagged Light & Matter, Quantum Physics
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Professor Dave: Quantum Mechanics of the Electron
Posted in How are light and matter similar?, Unit 4, Videos
Tagged Light & Matter, Quantum Physics
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Professor Dave Explains – The Double-Slit Experiment
Posted in How are light and matter similar?, Unit 4, Videos
Tagged Light & Matter, Waves
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How Do Satellites Get & Stay in Orbit?
SciShow Space takes you into Low Earth Orbit to explain how artificial satellites get up there and stay there — at least for a while.
Posted in How do things move without contact?, How fast can things go?, Unit 3, Videos
Tagged Gravity, satellites
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Gravitational energy vs height
Open the embedded graph to change the value of h and calculate the gravitational potential energy / kg at different heights. Can you estimate the kinetic energy needed to escape the Earth’s gravitational field?
Gravitational field strength graph
Investigate the value of g (m/s2) varying with distance (km) from the centre of the Earth.
What Is Gravity?
People have a lot of different ideas about what gravity is: a downward force that stops you from flying off into space, an attraction smaller objects experience towards larger objects, or a mutual attraction between all masses. It is the … Continue reading
Posted in How do things move without contact?, Unit 3, Videos
Tagged Gravity, Veritasium
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